Mute air supply device of sterile operating room

Abstract

The silent air supply device of the sterile operating room comprises a flow guide disc, one side of the flow guide disc is communicated with a plurality of second threaded sealing connecting pipes, the flow guide disc is communicated with a first corrugated pipe through the second threaded sealing connecting pipes, the two ends of the first corrugated pipe are each provided with a first threaded sealing connector, and a second threaded sealing connector is arranged at the other end of the first corrugated pipe. One end of the first corrugated pipe is connected with an extension pipe in a threaded and sleeved mode through a first threaded sealing connector, and the outer side of the extension pipe is movably connected with a plurality of upper and lower hoops in a sleeved mode. Through the arrangement of a sound insulation cotton layer and a damping spring, vibration is compressed and buffered through the damping spring and an air cavity in the telescopic outer cylinder after the installation, so that the wind vibration effect is reduced, vibration sound production is reduced, sound insulation in the sound insulation cotton layer is matched, conduction of sound vibration is further reduced, and the sound insulation effect is improved. Meanwhile, due to the fact that the design is far away from a fan and air purifying equipment, the overall air supply effect is good, sound conduction is further reduced, and using is quite quiet.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical air supply equipment, in particular to a silent air supply device for a sterile operating room. Background Art

[0002] The operating room is a place for patients to undergo surgery and rescue, and is an important technical department of the hospital. The operating room should be connected to the surgical department, and should also be close to the blood bank, intensive care unit, anesthesia recovery room, etc. The four ways of surgical incision infection should be managed well, namely: the air in the operating room; the items required for the operation; the fingers of doctors and nurses and the skin of patients to prevent infection and ensure the success rate of the operation. It is required to have a reasonable design, complete equipment, and nurses' responsive and fast work, and high work efficiency. The operating room should have a set of strict and reasonable rules and regulations and aseptic operation specifications.

[0003] In operating rooms or rooms that require sterility, ventilation often requires air purification equipment to purify the air. However, most air purification equipment cannot be installed in every room during actual use. Therefore, air supply equipment is needed to deliver the airflow to each room that needs it. The existing air supply ducts often produce certain noise due to air flow vibration after use, which will cause certain noise impact on patients. Based on this, we propose a silent air supply device for sterile operating rooms. Utility Model Content

[0004] The purpose of the utility model is to provide a silent air supply device for a sterile operating room to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silent air supply device for a sterile operating room, comprising a guide plate, one side of the guide plate is connected with a plurality of threaded sealing connecting pipes 2, the guide plate is connected with a first bellows through the threaded sealing connecting pipe 2, both ends of the first bellows are provided with a threaded sealing connector 1, one end of the first bellows is connected with an extension pipe through a threaded sleeve of the threaded sealing connector 1, the outer side of the extension pipe is movably sleeved with a plurality of upper and lower clamps, both sides of the bottom ends of the upper and lower clamps are fixedly installed with two mounting blocks, the interiors of the two mounting blocks are movably inserted with bolt head rods, the top of the bolt head rod is fixedly installed with a telescopic outer cylinder, the inner side of the telescopic outer cylinder is sealed and movably sleeved with a threaded inner rod, Limiting sealing racks are fixedly installed on both sides of the threaded inner rod, a shock-absorbing spring is fixedly installed on the bottom end of the threaded inner rod, a rectangular frame is movably sleeved on the outside of the threaded inner rod, a tightening spring is movably sleeved on the outside of the top end of the threaded inner rod, the other end of the extension tube is sleeved with a threaded sealing connector three through a threaded sealing sleeve, a guide tube is fixedly installed on one side of the threaded sealing connector three, both sides of the guide tube are connected with a number of threaded sealing connecting tubes one, the other end of the guide tube is connected with a second corrugated pipe, both ends of the second corrugated pipe are provided with threaded sealing connectors two, a mounting frame is fixedly installed inside the guide plate, a silent fan is movably installed on one side of the mounting frame, and sound insulation cotton layers are sleeved inside the extension tube and the guide tube.

[0006] Preferably, the outer sides of the threaded sealing connection tube 2 and the threaded sealing connection tube 1 are both threadedly connected with threaded sealing covers, and the specifications and dimensions of the threaded sealing connector 1, the threaded sealing connector 2 and the threaded sealing cover are compatible with the specifications and dimensions of the extension tube and the guide tube.

[0007] Preferably, one end of the first bellows is threadedly connected to the threaded sealing connecting pipe 2 through a threaded sealing connector 1, the outer sides of the extension pipe and one end of the guide pipe are both provided with threads, and the second bellows is threadedly sleeved on the outer side of one end of the guide pipe through a threaded sealing connector 2.

[0008] Preferably, a limiting groove matched with the limiting sealing rack is opened inside the telescopic outer cylinder, and the limiting sealing rack is slidably installed inside the telescopic outer cylinder.

[0009] Preferably, one end of the shock absorbing spring away from the threaded inner rod is fixedly installed inside the telescopic outer cylinder, and compressed air chambers are provided on opposite sides of the telescopic outer cylinder and the threaded inner rod.

[0010] Preferably, the bottom end of the fastening spring is fixedly mounted on the top of the rectangular frame, a gasket is provided on the top of the fastening spring, and a thread is provided on the outer side of the top end of the threaded inner rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when the device is in use, the user installs the guide plate at the air outlet of the air purification device through the flange, and then splices the extension pipe and the guide pipe together according to the needs, and then sleeves the extension pipe and the guide pipe on the outside through the upper and lower clamps, and after being fastened by bolts, the threaded inner rod is docked in the bolt holes preset in the ceiling keel, and the rotating installation block drives the telescopic outer cylinder and the threaded inner rod to rotate and fix, and the threaded inner rod is under the action of the rectangular frame and the fastening spring, so that the top of the fastening spring is pressed against the installation position, so that the threaded inner rod is firmly installed and reduces the slipping of the thread, and after the installation is completed, the first corrugated pipe is connected to the extension pipe and the guide plate through the threaded sealing connector, and then the threaded sealing cover is removed according to the needs, and the second corrugated pipe, the extension pipe and the guide pipe are assembled respectively, so as to be assembled according to the layout in the room, and the first corrugated pipe and the second corrugated pipe are convenient for auxiliary connection at the turning and lifting places, and can be spliced ​​according to the actual situation, with wide adaptability, and convenient for ventilation of different rooms;

[0012] Through the sound insulation cotton layer and shock-absorbing spring, after installation, if vibration occurs, the vibration will be compressed and buffered through the shock-absorbing spring and air chamber inside the telescopic outer tube, so that the wind vibration effect is reduced, the vibration sound is reduced, and the sound insulation inside the sound insulation cotton layer is combined to further reduce the conduction of sound vibration. At the same time, because the design is far away from the fan and air purification equipment, the overall air supply effect is good, the sound conduction is further reduced, and it is very quiet when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front three-dimensional appearance structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the rear-view stereoscopic appearance structure of the utility model.

[0015] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model from the right side.

[0016] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0017] Figure 5 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0018] In the figure: 1. guide plate; 2. first bellows; 3. threaded sealing connector 1; 4. extension pipe; 401, sound insulation cotton layer; 5. guide pipe; 6. second bellows; 7. threaded sealing connector 2; 8. threaded sealing connecting pipe 1; 9. threaded sealing connecting pipe 3; 10. limit sealing rack; 11. threaded sealing connecting pipe 2; 12. silent fan; 13. mounting frame; 14. threaded sealing cover; 15. upper and lower clamps; 16. telescopic outer cylinder; 17. threaded inner rod; 18. rectangular frame; 19. tightening spring; 20. bolt head rod; 21. mounting block; 22. shock-absorbing spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 5 The utility model provides a technical solution: a silent air supply device for an aseptic operating room, comprising a guide plate 1, one side of the guide plate 1 is connected with a plurality of threaded sealing connecting pipes 11, the guide plate 1 is connected with a first bellows 2 through the threaded sealing connecting pipes 11, both ends of the first bellows 2 are provided with threaded sealing connectors 3, one end of the first bellows 2 is connected with an extension pipe 4 through a threaded sealing connector 3, the outer side of the extension pipe 4 is movably sleeved with a plurality of upper and lower clamps 15, both sides of the bottom ends of the upper and lower clamps 15 are fixedly installed with two mounting blocks 21, the insides of the two mounting blocks 21 are movably inserted with bolt head rods 20, a telescopic outer cylinder 16 is fixedly installed on the top of the bolt head rod 20, the inner side of the telescopic outer cylinder 16 is sealed and movably sleeved with a threaded inner rod 17, the threaded inner rod A limited sealing rack 10 is fixedly installed on both sides of 17, a shock-absorbing spring 22 is fixedly installed on the bottom end of the threaded inner rod 17, a rectangular frame 18 is movably sleeved on the outer side of the threaded inner rod 17, and a tightening spring 19 is movably sleeved on the outer side of the top of the threaded inner rod 17, the other end of the extension tube 4 is sleeved with a threaded sealing connector three 9 through a threaded sealing sleeve, a guide pipe 5 is fixedly installed on one side of the threaded sealing connector three 9, both sides of the guide pipe 5 are connected with a number of threaded sealing connecting pipes one 8, the other end of the guide pipe 5 is connected with a second bellows 6, and both ends of the second bellows 6 are provided with threaded sealing connectors two 7, a mounting frame 13 is fixedly installed inside the guide plate 1, a silent fan 12 is movably installed on one side of the mounting frame 13, and sound insulation cotton layers 401 are sleeved inside the extension tube 4 and the guide pipe 5.

[0021] The working principle of the above technical solution is as follows: when in use, the user installs the guide plate 1 at the air outlet of the air purification equipment through the flange, and then splices the extension pipe 4 and the guide pipe 5 together as needed, and then sleeves the upper and lower clamps 15 on the outside of the extension pipe 4 and the guide pipe 5, and after fastening with bolts, the threaded inner rod 17 is docked in the preset bolt hole of the ceiling keel, and the rotating mounting block 21 drives the telescopic outer cylinder 16 and the threaded inner rod 17 to rotate and fix. Under the action of the rectangular frame 18 and the fastening spring 19, the threaded inner rod 17 makes the top of the fastening spring 19 press against the installation position, so that the threaded inner rod 17 is firmly installed to reduce thread slippage. After the installation is completed, the first corrugated pipe 2 is connected to the extension pipe 4 and the guide plate 1 through the threaded sealing connector 3, and then the threaded sealing cover is installed as needed. 14 is disassembled, and the second bellows 6, the extension tube 4 and the guide tube 5 are assembled respectively so as to be assembled according to the layout in the room. The first bellows 2 and the second bellows 6 are convenient for auxiliary connection at the turning and lifting places, and can be spliced ​​according to the actual situation. It has wide adaptability and is convenient for ventilation of different rooms. Through the sound insulation cotton layer 401 and the shock-absorbing spring 22, after installation, if vibration occurs, the vibration is compressed and buffered by the shock-absorbing spring 22 and the air chamber inside the telescopic outer tube 16, so that the wind vibration effect is reduced, the vibration sound is reduced, and the sound insulation inside the sound insulation cotton layer 401 is cooperated to further reduce the conduction of sound vibration. At the same time, because the design is far away from the fan and the air purification equipment, the overall air supply effect is good, the conduction of sound is further reduced, and it is very quiet when used.

[0022] In another embodiment, Figure 1-Figure 5 As shown, the outer sides of the threaded sealing connection pipe 2 11 and the threaded sealing connection pipe 1 8 are both threadedly connected with a threaded sealing cover 14, and the specifications and dimensions of the threaded sealing connector 1 3 and the threaded sealing connector 2 7 and the threaded sealing cover 14 are compatible with the specifications and dimensions of the extension pipe 4 and the guide pipe 5.

[0023] The threaded sealing cover 14 can be used to seal the threaded sealing connecting pipe 1 8 and the threaded sealing connecting pipe 2 11 when there is no pipeline connection, thereby avoiding air waste. The specifications and dimensions of each structure are adapted to facilitate the unification of product specifications, stable use, and good splicing and assembly effects.

[0024] In another embodiment, Figure 1-Figure 5 As shown, one end of the first bellows 2 is threadedly connected to the threaded sealing connecting pipe 2 11 through a threaded sealing connector 1 3, the outer sides of the extension pipe 4 and one end of the guide pipe 5 are both provided with threads, and the second bellows 6 is threadedly sealed and sleeved on the outer side of one end of the guide pipe 5 through a threaded sealing connector 2 7.

[0025] The first bellows 2, the threaded sealing connector 1 3, the extension tube 4, the guide tube 5 and the threaded sealing connector 2 11 are all connected to the threaded sealing connector 2 7 through threaded sealing, which is convenient for assembly, and each connection is provided with a sealing gasket ring to facilitate assembly and sealing. The connection can also be sealed by wrapping raw tape around it during the combined installation to increase the stability of the air supply.

[0026] In another embodiment, Figure 4 As shown, a limiting groove matched with the limiting sealing rack 10 is opened inside the telescopic outer cylinder 16 , and the limiting sealing rack 10 is slidably installed inside the telescopic outer cylinder 16 .

[0027] The limiting sealing rack 10 slides in the limiting groove inside the telescopic outer cylinder 16, which can increase a lateral force when the threaded inner rod 17 and the telescopic outer cylinder 16 rotate and transmit, which is convenient for stability, avoids slipping, and stably drives the threaded inner rod 17 to rotate.

[0028] In another embodiment, Figure 3-Figure 5 As shown, one end of the shock absorbing spring 22 away from the threaded inner rod 17 is fixedly installed inside the telescopic outer cylinder 16 , and compressed air chambers are provided on opposite sides of the telescopic outer cylinder 16 and the threaded inner rod 17 .

[0029] By setting the sound insulation cotton layer 401 and the shock-absorbing spring 22, after installation, if vibration occurs, the vibration will be compressed and buffered through the shock-absorbing spring 22 and the air chamber inside the telescopic outer tube 16, so that the wind vibration effect is reduced, the vibration sound is reduced, and the sound insulation inside the sound insulation cotton layer 401 is combined to further reduce the conduction of sound vibration. At the same time, because the design is far away from the fan and the air purification equipment, the overall use effect is good, the sound conduction is further reduced, and it is very quiet when used.

[0030] In another embodiment, Figure 1-Figure 5 As shown, the bottom end of the fastening spring 19 is fixedly mounted on the top of the rectangular frame 18 , a gasket is provided on the top of the fastening spring 19 , and a thread is provided on the outer side of the top of the threaded inner rod 17 .

[0031] The top of the threaded inner rod 17 is provided with a bolt for easy installation. The tightening spring 19 is convenient for applying a stable elastic force between the rectangular frame 18 and the installation position when the threaded inner rod 17 is installed in the use position, so as to facilitate stable structural installation and avoid thread slippage. At the same time, the bottom end of the rectangular frame 18 can be against the top of the telescopic outer cylinder 16 for stability. The rectangular frame 18 can stabilize the position of the threaded inner rod 17 and the telescopic outer cylinder 16 to avoid loosening and shaking and increase lateral force.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A silent air supply device for a sterile operating room, comprising a guide plate (1), characterized in that: One side of the guide plate (1) is connected to a plurality of threaded sealing connection pipes (11), and the guide plate (1) is connected to a first bellows (2) through the threaded sealing connection pipes (11). Both ends of the first bellows (2) are provided with threaded sealing connectors (3). One end of the first bellows (2) is threadedly sleeved and connected to an extension pipe (4) through the threaded sealing connector (3). The outer side of the extension pipe (4) is movably sleeved with a plurality of upper and lower clamps (15). Two mounting blocks (21) are fixedly installed on both sides of the bottom ends of the upper and lower clamps (15). Bolt head rods (20) are movably inserted into the interiors of the two mounting blocks (21). A telescopic outer cylinder (16) is fixedly installed on the top of the bolt head rod (20). A threaded inner rod (17) is sealingly movably sleeved on the inner side of the telescopic outer cylinder (16). Limiting sealing racks (10) are fixedly installed on both sides of the threaded inner rod (17). A shock absorbing spring (22) is fixedly installed at the bottom end of the threaded inner rod (17), a rectangular frame (18) is movably sleeved on the outer side of the threaded inner rod (17), a tightening spring (19) is movably sleeved on the outer side of the top end of the threaded inner rod (17), the other end of the extension tube (4) is sleeved with a threaded sealing connector three (9) through a threaded sealing sleeve, a guide tube (5) is fixedly installed on one side of the threaded sealing connector three (9), both sides of the guide tube (5) are connected to a plurality of threaded sealing connectors one (8), the other end of the guide tube (5) is connected to a second bellows (6), both ends of the second bellows (6) are provided with threaded sealing connectors two (7), a mounting frame (13) is fixedly installed inside the guide plate (1), a silent fan (12) is movably installed on one side of the mounting frame (13), and sound insulation cotton layers (401) are sleeved inside the extension tube (4) and the guide tube (5).

2. The silent air supply device for a sterile operating room according to claim 1, characterized in that: The outer sides of the threaded sealing connection pipe 2 (11) and the threaded sealing connection pipe 1 (8) are both threadedly connected with a threaded sealing cover (14), and the specifications and dimensions of the threaded sealing connection head 1 (3) and the threaded sealing connection head 2 (7) and the threaded sealing cover (14) are compatible with the specifications and dimensions of the extension pipe (4) and the guide pipe (5).

3. The silent air supply device for a sterile operating room according to claim 1, characterized in that: One end of the first bellows (2) is threadedly connected to the second threaded sealing connection pipe (11) via the first threaded sealing connection head (3); the outer sides of one end of the extension pipe (4) and the flow guide pipe (5) are both provided with threads; the second bellows (6) is threadedly sealedly sleeved on the outer side of one end of the flow guide pipe (5) via the second threaded sealing connection head (7).

4. The silent air supply device for a sterile operating room according to claim 1, characterized in that: A limiting groove matched with the limiting sealing rack (10) is provided inside the telescopic outer cylinder (16), and the limiting sealing rack (10) is slidably installed inside the telescopic outer cylinder (16).

5. The silent air supply device for a sterile operating room according to claim 1, characterized in that: One end of the shock absorbing spring (22) away from the threaded inner rod (17) is fixedly installed inside the telescopic outer cylinder (16), and compressed air chambers are arranged on opposite sides of the telescopic outer cylinder (16) and the threaded inner rod (17).

6. The silent air supply device for a sterile operating room according to claim 1, characterized in that: The bottom end of the fastening spring (19) is fixedly mounted on the top of the rectangular frame (18), a gasket is arranged on the top of the fastening spring (19), and a thread is arranged on the outer side of the top of the threaded inner rod (17).

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